<template>
    <div class="login_container">
       <div class="login_box">
        <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
        </div>
        <!-- <登录表单区域> -->
        <el-form 
        ref="loginFormRef"
        :model="loginForm" 
        :rules="loginFormRules" 
        label-width="0px" 
        class="login_form">
            <!-- 用户名 -->
            <el-form-item prop="username">
                <el-input v-model="loginForm.username" 
                prefix-icon="iconfont icon-user"></el-input>
            </el-form-item>
            <!-- 密码 -->
            <el-form-item prop="password">
                <el-input v-model="loginForm.password" 
                prefix-icon="iconfont icon-3702mima" 
                type="password"></el-input>
            </el-form-item>
        <!-- 按钮区域 -->
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
        </el-form>
       </div>
    </div>
</template>

<script>
    export default{
        data(){
            return{
                // 这是登录表单的数据绑定对象
                loginForm:{
                    username:'admin',
                    password:'123456'
                },
                loginFormRules:{
                    username:[
                        { required: true, message: '请输入登录名称', trigger: 'blur' },
                        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                    ],
                    password:[
                    { required: true, message: '请输入登录密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                    ]
                }
            };
        },
        methods:{
            resetLoginForm(){
                // console.log(this);
                this.$refs.loginFormRef.resetFields();
            },
            login(){
                this.$refs.loginFormRef.validate(async valid => {
                    if(!valid)return;
                    const {data:res} =await this.$http.post("login",this.loginForm);
                    if(res.meta.status != 200) return this.$message.error("登录失败!") 
                    this.$message.success("登陆成功");
                    window.sessionStorage.setItem("token",res.data.token);
                    this.$router.push("/home");
                });
            },
            
        }
    };
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height:100%;
}

.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box{
        height: 130px;
        width:130px;
        border:1px solid #eee;
        border-radius:50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%,-65px);
        background-color: #fff;
        img{
            width: 100%;
            height:100%;
            border-radius:50%;
            background-color: #eee;
        }
    }
}

.login_form{
    position: absolute;
    bottom:0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.btns{
    display:flex;
    justify-content: flex-end;
}
</style>